Thursday, the Dow Jones Industrial Average closed down 132.86 points, or 1.3%, to 10308.26, marking its third consecutive day of declines. DuPont fell 65 cents, or 2%, to $32.01, as metals prices slid, pushing gold to its lowest settlement since Nov. 12. Chevron dropped 1.11, or 1.4%, to 76.78, as crude-oil prices fell.